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The SolarWinds Orion Installer is an all-in-one application for installations and upgrades. You use one installer to install or upgrade multiple Orion Platform products and install or upgrade Additional Polling Engines, Additional Web Servers, and High Availability Servers.

For hostname information, UDT gathers that via the primary DNS server that the UDT host server is connected to. The application conducts reverse lookups of the IPs it finds to said DNS server, so you will need to insure that such a DNS has the records populated.

For IP information, UDT gathers the IP data via the ARP table on a layer 2 or layer 3 device. You will want to insure that these devices are populated with the ARP results you need to insure UDT is able to find them.